History of Classification

History of Classification

1-23 Agenda: Bell work Classification of Living things Materials: - Pencil -Notebook -Classification Packet DO: Today we will learn about the history of classification DQ: What are the 2 main ways Aristotle used to classify living things?

WHAT IS CLASSIFICATION? CLASSIFICATION IS grouping things according to similar characteristics (Examples of characteristics are size, shape, color, behavior, etc) Biological classification systems name & organize living things in a logical and meaningful way. DEFINITIONS Taxonomy: the study or practice of classifying living things Basis of a classification/taxonomic system: the characteristic that is used

to decide what things are placed in which groups during the process of classification History of Classification 1) Aristotle: A. Lived around the year of 384 BC B. Designed a classification system for organisms 1. The basis of his taxonomic system was the characteristic of movement. 2. First: He divided ALL living things into two groups/kingdoms: Those that can move from place to place ANIMALS

Those that cannot move from place to place PLANTS 3. Second: He divided the group called animals (can move) into 3 groups according to the way they moved: fly, walk, swim History of Classification 2) Todays system: A. Basis of todays system: similarity of structure (ex.: skin covering, DNA) B. The system used today has 5 kingdoms. Listed from the kingdom of the simplest organisms to the

kingdom of the most complex organisms, these 5 kingdoms are: 1) Moneran Kingdom (simplest organisms) 2) Protist Kingdom 3) Fungi Kingdom 4) Plant Kingdom 5) Animal Kingdom (most complex organisms) MONERAN KINGDOM MAJOR TRAITS EXAMPLES

PICTURES PROTIST KINGDOM FUNGI KINGDOM PLANT KINGDOM

UNICELLULAR UNICELLULAR MULTICELLULAR MULTICELLULA NO NUCLEUS NUCLEUS HETERTROPH R BOTH BOTH HAVE A CELL AUTOTROPH HETEROTROPH HETERTROPH WALL AND AND

AUTOTROPH AUTOTROPH ANIMAL KINGDOM MULTICELLULAR HETEROTROPH SPECIALIZED TISSUE ORGANS AND ORGAN SYSTEM Classification definitions Part A 1) unicellular: made of one cell 2) multicellular: made of more than one

cell 3) autotroph: an organism that gets its energy by making its food in its body 4) heterotroph: an organism that gets its energy by eating other organisms Kingdom Summary Chart Complete the chart by using + to indicate that the description is true and A to indicate that the description does not apply to the organism in that Kingdom. Unicellular Monerans Protists

Fungi Plants Animals + + - - Multicellular -

+ + + No Nucleus + - Nucleus Autotroph Heterotroph

- + + + + + + + - + + + - + Characteristics of living things:

1. Living things are made of cells. 2. Living things use energy 3. Living things grow and develop. 4. Living things respond to the environment. 5. Living things reproduce. Classify something! Classify the following Saguaro cactus Gila monster Rattle snake Parrot Viper German Shepard

Rose bush Whale Falcon sparrow Sea anemone penguin narwhal jaguar Platypus Douglas fir wolf Bat Eagle clam

human Dolphin Strawberry Barrel cactus CLASSWORK SPELLING #1 WORKSHEET #1 CLASSWORK: Spelling WORKSHEET #2 Classification WORKSHEET # 2

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